Fabric for articles of clothing, and method and system of producing same

ABSTRACT

Fabric for articles of clothing, as well as garments made of such fabric, and method and system for manufacturing such fabric and garments. A fabric or garment includes active-cooling materials or substances or elements, or a formulation or composition that includes one or more active-cooling materials or mixture thereof. A garment comprises a first garment-region that contains active-cooling substance, and a second garment-region that does not contain any active-cooling substances. One suitable active-cooling substance can be a mixture of polymer emulsion, water, glycerin, and Potassium Nitrate. The active-cooling substance can be deposited on the fabric, or printed on the fabric, or sprayed or brushed on the fabric, or soaked into the fabric, or otherwise integrated into the fabric.

CROSS-REFERENCE TO RELATED APPLICATIONS

This patent application claims priority and benefit from U.S.provisional patent application No. 62/233,654, filed on Sep. 28, 2015,which is incorporated herein by reference in its entirety.

FIELD OF THE INVENTION

The present invention relates to the field of articles of clothing.

BACKGROUND

A shirt is an upper-body garment or article of clothing. A shirt worn bya person, for example, may keep a person's upper body warm, may protectthe upper body from sun or rain or environmental conditions, may coverprivate parts (e.g., breasts) of a person, or may be used for variousother purposes (e.g., as a fashion garment, or to comply with adress-code of an organization or a profession).

Other articles of clothing are worn every day worldwide; for example,pants or trousers, socks, jackets, coats, or the like.

SUMMARY

The present invention may comprise fabrics (e.g., an active-coolingfabric), as well as various garments or articles of clothing made ofsuch fabric(s), and methods and systems for producing them. For example,a fabric or a garment (e.g., a shirt) may comprise one or morecomponents or materials or elements able to absorb heat or body-heat,and/or able to provide cooling or body-cooling or a cooling effect,temporarily and/or continuously.

The present invention may provide other advantages and/or benefits.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is a schematic illustration of a front-side of a shirt, inaccordance with some demonstrative embodiments of the present invention.

FIG. 2 is a schematic illustration of a fabric, in accordance with somedemonstrative embodiments of the present invention.

FIG. 3 is a schematic illustration of a set of six deposition patternsof cooling elements or cooling substances, in accordance with someembodiments of the present invention.

FIGS. 4A-4B are schematic illustrations of three diagrams which may beused for selective deposition (or selecting integration, or selectiveembedding) of cooling materials onto or into a garment, in accordancewith some demonstrative embodiments of the present invention.

DETAILED DESCRIPTION OF THE PRESENT INVENTION

The present invention may comprise fabrics (e.g., an active-coolingfabric), as well as various garments or articles of clothing made ofsuch fabric(s), and methods and systems for producing them. For example,a fabric or a garment (e.g., a shirt) may comprise one or morecomponents or materials or elements able to absorb heat or body-heat,and/or able to provide cooling or body-cooling or a cooling effect,temporarily and/or continuously.

Although portions of the discussion herein and/or portions of thedrawings, may relate to (or may depict), for demonstrative purposes, ashirt or a short-sleeve shirt or a sports shirt, the present inventionis not limited in this regard; and embodiments of the present inventionmay comprise, and may be used in conjunction with, other types ofgarments or articles of clothing, for example, long-sleeve shirt,medium-sleeve shirt, sleeveless or sleeve-less shirts, sweatshirts,vests, dresses, form-fitting shirts or clothes, loose shirts or clothes,T-shirts or Tee-shirts, sport shirts, sports shirts, performance shirts,athletic shirts, polo shirt, rugby shirt, Henley shirt, Jersey shirt,baseball shirt, a shirt having a collar, a collared shirt, a shirtwithout a collar, a collar-less shirt, a shirt having a hood, a “hoodie”garment or “hoody” garment or hooded shirt or hooded sweatshirt, campshirt, dress shirt, A-shirt, singlet, camisole, tunic, a night shirt, anight gown, a pajama shirt, a “onesie” garment or a “diaper shirt” forbabies or toddlers or infants, a jacket, a coat, outwear, pants,trousers, underwear, lingerie, socks, stockings, hats, fabric-basedwristbands, head-band garments, short pants, long pants, sports pants,tights, leggings, and/or other suitable garments.

The present invention comprises technology which may deliver measurablecooling of a fabric or a garment or article-of-clothing. The cooling oractive-cooling may be provided for a significant length of time (e.g., 2or 3 or 5 hours; or more than 2 hours; or more than 1 hour); or may beprovided for shorter time periods (e.g., for 20 or 40 or 60 minutes).

The cooling may be triggered and/or facilitated and/or enhanced bymoisture absorption and/or sweat absorption. The cooling mechanism maybe based by utilizing a composite of soluble substances with a negativeheat of solution (NHS), encased in or embedded-in or woven-into orincorporated into or otherwise integrated into a vapor permeable polymeror other suitable material or fabric(s).

In accordance with some demonstrative embodiments of the presentinvention, such substances having NHS may include one or more (or acombination or mixture) of the following material(s): Ammonium Chloride,Potassium Chloride, Ammonium Bromide, Potassium Bromide, AmmoniumNitrate, Silver Nitrate, Silver Nitrite, Sodium Nitrate, Potassiumnitrate, Potassium nitrite, Sodium acetate trihydrate, Sodiumthiosulfate, and/or polysaccharides.

In some embodiments, a single NHS substance may be exclusively used in asingle fabric or garment. In other embodiments, two or more NHSsubstances may be mixed together, and may be used as a mixture with onesingle fabric or one single garment. In yet other embodiments, one ormore regions or areas of a garment (e.g., sleeves region) may comprise afirst NHS substance; whereas one or more other regions or areas of thatgarment (e.g., the chest region) may comprise a second NHS substance(or, a mixture of two or more NHS substances). In still otherembodiments, one or more regions or areas of a garment (e.g., sleevesregion) may comprise a first mixture of two-or-more NHS substances;whereas one or more other regions or areas of that garment (e.g., thechest region) may comprise a second mixture (e.g., a different mixture)of NHS substances. In some embodiments, different regions or parts orareas of a single garment, may comprise different NHS substance(s), ordifferent ratios of mixing together the same set of multiple NHSsubstances, or different amounts of quantities or doses of such NHSsubstances, or different spreading properties or spreadingcharacteristics of such NHS substance(s), or different spreadingpattern(s) of such NHS substance(s).

In accordance with some demonstrative embodiments of the presentinvention, the polymer may comprise, for example, emulsions of aliphaticand/or aromatic polyether and/or polyester polyurethanes; for example,Noveon® Estane® series of material(s), or materials which comprise ormay be similar to Lubrizol® polyurethanes or to Noveon® thermoplasticpolyurethane (TPU), or the chemical equivalents of these materials, orthe generic or non-branded equivalent of these materials, or othersuitable materials.

In accordance with some demonstrative embodiments of the presentinvention, the composite may be applied or added or woven-into ormixed-with or incorporated-into or embedded-on to a carrier substrate,such as a fabric. Such fabrics may include or may be, for example,cotton, polyester, polyamide, polyolefin, elastomer, silk, wool,leather, natural fabrics, synthetic fabrics, and/or their blends and/ormixtures.

In a demonstrative embodiment of the present invention, the compositemay be prepared or produced, for example, by mixing the following fourcomponents (denoted A, B, C and D) by utilizing the followingproportions or ratios:

(A) Polymer emulsion, in the range of 20% to 90% of the composite; or inthe range of 30% to 80% of the composite; or in the range of 40% to 70%of the composite; or in the range of 50% to 60% of the composite;

(B) Water, in the range of 0% to 49% of the composite; or in the rangeof 0% to 40% of the composite; or in the range of 3% to 35% of thecomposite; or in the range of 3% to 30% of the composite; or in therange of 5% to 30% of the composite; or in the range of 5% to 25% of thecomposite; or in the range of 10% to 25% of the composite; or in therange of 10% to 20% of the composite; or in the range of 10% to 15% ofthe composite;

(C) Glycerine and/or polyglycol, in the range of in the range of 0% to49% of the composite; or in the range of 0% to 40% of the composite; orin the range of 3% to 35% of the composite; or in the range of 3% to 30%of the composite; or in the range of 5% to 30% of the composite; or inthe range of 5% to 25% of the composite; or in the range of 10% to 25%of the composite; or in the range of 15% to 25% of the composite; or inthe range of 10% to 20% of the composite;

(D) a single NHS substance, or a mixture of two NHS substances, or amixture of three NHS substances, or a mixture of four-or-more NHSsubstances, in the range of 0% to 55% of the composite; or in the rangeof 0% to 50% of the composite; or in the range of 5% to 50% of thecomposite; or in the range of 5% to 40% of the composite; or in therange of 5% to 30% of the composite; or in the range of 10% to 35% ofthe composite; or in the range of 10% to 30% of the composite; or in therange of 15% to 25% of the composite; or in the range of 10% to 20% ofthe composite.

In some demonstrative embodiments, the total percent of solid(s) in thecomposite may be in the range of 10% to 90%; or in the range of 20% to80%; or in the range of 25% to 75%; or in the range of 30% to 70%; or inthe range of 25% to 67%; or in the range of 33% to 67%; or in the rangeof 40% to 60%.

In some demonstrative embodiments, viscosity of the composite may be inthe range of 100 to 15,000 centipoise; or in the range of 200 to 12,000centipoise; or in the range of 500 to 10,000 centipoise; or in the rangeof 700 to 8,000 centipoise; or in the range of 1,000 to 5,000centipoise; or in the range of 2,000 to 4,000 centipoise.

In some embodiments, the composite may contain other suitable“thickener” or “thickening material” for textile printing, for example,an acrylic thickener, an acrylic-based thickener, a vinyl thickener, avinyl-based thickener, a cellulose derivative thickener, and/or anaturally derived thickener, and/or a combination of multiple suchthickeners; with the purpose of achieving a particular or desiredviscosity. Additionally or alternatively, the composite may comprise ormay contain a dispersing agent for textile printing, such as an anionicdispersant, a cationic dispersant, or a nonionic dispersant, for thepurpose of increasing the stability of the composite over time. Othersuitable materials may be used.

In some embodiments, the fabric or garment (or garment-region, such assleeve, back-side, chest-side) may comprise only one single NHS; andsuch single NHS may be, for example, potassium nitrate.

Other suitable materials and/or ratios may be used.

In some embodiments, a printing process may be utilized to apply thecomposite to fabrics and/or garments, by using one or more textileprinting techniques. Additionally or alternatively, the cooling elementsor cooling materials or cooling mixture(s) may be applied or added to(or embedded into, or integrated into) a fabric or a garment byutilizing one or more other methods, for example, coating, spraying,padding, foam application, hot melt systems, ultra-violet (UV) curingmethods or curable systems, soaking, mixing, gluing, bonding, brushing(e.g., the materials are deposited as a coating being brushed onto afabric or garment), welding, ultrasonic welding, mechanical connection,inter-weaving, pressure, stitching, sewing, weaving, inter-weaving,bonding elements, or the like.

Optionally, the cooling element may be manufactured or produced as astand-alone or autonomous cooling element, which may then be added(e.g., as a sticker or as a patch) by an end-user or by a professional(e.g., a tailor, or a clothes manufacturer) to existing fabric(s) and/orto existing garment(s). In some embodiments, the cooling elements orcooling substances or cooling mixture(s) may be deposited onto or into afabric or a garment, or may be sprayed or coated or brushed thereon ortherein, or may be injected into the fabric or garment, or may otherwisebe mixed or added to the fabric or garment.

In some embodiments, the cooling elements or cooling substances orcooling mixture(s) may be inserted into an internal layer of a fabric ora garment (e.g., as a filling within a layer of the fabric that is“sandwiched” or trapped between two or more other layers, and which doesnot directly touch the human body, and does not directly touch the airor environment that surrounds the external side of the garment orfabric). In some embodiments, the cooling elements or coolingsubstance(s) or cooling mixture(s) may be deposited or added or coatedby utilizing ribs, rims, protrusions, craters, tunnels, channels,rail-shaped elements, dots, linear elements, or other suitablethree-dimensional or two-dimensional elements that may be deposited onor within or under a layer of fabric. Other suitable deposition orcoating or connection or integration methods may be used.

In some embodiments, the materials may be applied to, or printed on, orwoven onto, or otherwise integrated into: (a) only the external side orthe external surface of the fabric or garment, which does not directlytouch the skin of the wearer; (b) only the internal side or the internalsurface of the fabric or the garment, which directly touches the skin ofthe wearer; (c) both the internal and external sides or the fabric orgarment; (d) only a middle layer of the fabric or garment, which neitherdirectly touches the skin of the wearer, nor is it directly exposed toair or environment; (e) only a single layer of fabric, if the fabric ismade of two-or-more layers; (f) all the layers of a fabric, if thefabric is made of two-or-more layers; (g) only some, and not all, of thelayers of a fabric that is formed of multiple layers; (h) only a singlelayer of a fabric that is formed of multiple layers. Other suitabledeposition methods or regions may be used, in order to achieve desiredresults of cooling effect(s) in different regions of a fabric or agarment, or in different types of garments.

In a demonstrative embodiment, a printing process may be utilized todeposit 5% to 80% (or 10% to 70%; or 20% to 60%; or 30% to 60%; or 33%to 67%; or 40% to 60%; or 40% to 51%; or at least 51%) solids add-on onthe fabric surface (or garment, or garment-region) in a pre-definedpattern or open pattern.

Reference is made to FIG. 1, which is a schematic illustration of afront-side of a shirt 100, in accordance with some demonstrativeembodiments of the present invention. In shirt 100, the left sleeve 131may comprise an active-cooling region 141, in which cooling material(s)are integrated into the fabric. Similarly, the right sleeve 132 maycomprise an active-cooling region 142, in which cooling material(s) areintegrated into the fabric. Optionally, the chest area 133 of shirt 100may comprise an active-cooling region 144, in which the coolingmaterial(s) are integrated into the fabric. Other regions or areas ofshirt 100, such as the stomach area 135, lack or do not contain anycooling material(s) therein or in their fabric.

Reference is made to FIG. 2, which is a schematic illustration of afabric 200, in accordance with some demonstrative embodiments of thepresent invention. Fabric 200 may be utilized for manufacturing ofshirts and other suitable garments or clothes. In fabric 200, someparticular areas 201 and 202 comprise cooling material(s); whereas otherareas (such as areas 203 and 204) of fabric 200 lack or do not containany cooling material(s). Fabric 200 may enable to manufacture a garmentin which particular regions or areas are selectively cooled by thecooling substance(s); whereas other garment areas or garment regions arenot.

Reference is made to FIG. 3, which is a schematic illustration of a setof several deposition patterns 301-307 of cooling elements or coolingsubstances, in accordance with some embodiments of the presentinvention. In deposition patterns 301-307, the black lines or blackelements (e.g., circles, hollow circles, filled circles, boxes, filledboxes, hollow boxes, triangles, hollow triangles, filled triangles, orthe like) indicate deposition of cooling material(s) into or onto afabric or a garment; whereas, areas that are white indicate regions ofthe fabric or garment that does not contain cooling material(s), orregions of the fabric or garment into which (or onto which) coolingmaterials are not deposited. In some embodiments, active coolingmaterial(s) may be deposited or integrated or embedded, on or in or intothe garment or the fabric, in a selective automated manner, and/or usingrepetitive pattern(s), or using non-repetitive patterns, and/or usingpseudo-random patterns or schemes; or by using only filled patterns orshapes, or by using only non-hollow patterns or shapes, or by using onlyhollow (e.g., circumferential) shapes or patterns; or by using apre-defined scheme that combines both hollow and non-hollow shapes; orin accordance with a pre-defined scheme that deposits or creates a firsttype of active cooling material shape (e.g., only hollow items, or onlycircumferential items) at a first garment-region and that also creates asecond, different, type of active cooling materials shape (e.g., onlynon-hollow items, or only filled items) at a second, different,garment-region; such schemes and patterns are not merely ornamental, butrather, they are functional patterns that in accordance with the presentinvention achieve a particular active cooling function of a fabric or ofa garment or of (or at) particular garment region(s), or that enable afirst garment-region to have a first, increased, level of active coolingfunctionality (e.g., using higher density of patterns, or using filledand non-hollow patterns), while also enabling a second garment-region ofthe same garment to have a second (e.g., reduced) level of activecooling (e.g., by using lower density of patterns, or by usingnon-filled and hollow patterns) or to lack active cooling entirely(e.g., by avoiding or skipping deposition of active cooling materials ata certain region). Deposition patterns 301-307 are only somedemonstrative non-limiting examples of deposition patterns of coolingelements or cooling substance(s), in accordance with some embodiments ofthe present invention; and other suitable patterns or structures may beused.

In some embodiments, the pattern and/or each cooling element may be agenerally continuous array or matrix; a symmetrical pattern; arectangular pattern; a square-pattern; a perfect polygon pattern; acircular or circle pattern; an oval; a triangle; a zigzag pattern; adove-tail pattern; or the like. In other embodiments, the pattern and/oreach cooling element may be a generally dis-continuous pattern; anon-symmetrical pattern; “U” shaped; “n” shaped; “L” shaped; “X” shaped;or the like. Other suitable shapes or patterns may be used, for theentire deposited pattern, and/or for each particular and/or discretecooling element or cooling region by itself.

In some embodiments, the coverage of deposited materials (or otherwiseintegrated active-cooling materials) on the fabric or garment may be,for example, in the range of 1% to 66% of the fabric surface (or thegarment surface); or in the range of 3% to 51%; or in the range of 5% to50%; or in the range of 5% to 49%; or in the range of 10% to 40%; or inthe range of 10% to 33%; or in the range of 15% to 25%.

In some embodiments, the dry-weight add-on of the deposited material(s)may be, for example, in the range of 10 to 200 gr/m²; or in the range of20 to 150 gr/m²; or in the range of 40 to 120 gr/m²; or in the range of50 to 100 gr/m². Other suitable ranges may be used.

Optionally, after the printing or coating or deposition, the fabric orgarment may be cured; for example, by using a curing element or heatingelement producing heat in the range of 120 to 180 degrees Celsius; for aperiod of 1 to 10 minutes, or a period of 3 to 7 minutes. Other suitabletemperatures may be used, and other heating time-periods may be used.

The following are some demonstrative non-limiting examples of particularembodiments of the present invention; other suitable materials and/orratios may be used.

Example A Formulation:

Polymer emulsion 60% Water 12% Glycerine 12% Potassium nitrate 16%Total: 100%  Total % solids in formulation 50%

Example B

The formulation of Example A is printed or otherwise deposited or coatedon a 160 gr/m² nylon fabric, for example, by using a screen printingprocess. Coverage is 25%. Add-on is 30 gr/m². Fabric is cured at 160degrees Celsius for 3 minutes.

Example C

The formulation of Example A is printed or otherwise deposited or coatedon a 150 gr/m² polyester/Elastane fabric, for example, by using a screenprinting process. Coverage is 16%. Add-on is 25 gr/m². Fabric is curedat 160 degrees Celsius for 3 minutes.

Example D

The formulation of Example A is printed or otherwise deposited or coatedon a 160 gr/m² cotton/Elastane fabric, for example, using a screenprinting process. Coverage is 30%. Add-on is 55 gr/m². Fabric is curedat 160 degrees Celsius for 3 minutes.

Example E

The formulation of Example A is printed on or otherwise deposited orcoated on a 160 gr/m² nylon/Elastane fabric using a screen printingprocess. Coverage is 25%. Add-on is 30 gr/m². Fabric is cured at 160Cfor 3 minutes.

In a demonstrative experiment, in accordance with Example E above,embodiments of the invention showed effective cooling of a wearer(and/or of a garment worn by a wearer), of approximately 1.0 or 1.5 or2.0 degrees Celsius, upon initiation of sweating by the wearer (e.g.,after 5 to 10 minutes of wearing); as measured using infra-redthermo-camera scans, demonstrated herein. For comparison purposes, thefabrics of Examples E and D are measured with deposition and withoutdeposition (the “control”) of the formulation of Example A.

In a demonstrative experiment, temperature measurements (and heatimages) were taken with regard to four items. Item #1 demonstratestemperature measurement of a bare back of a human; Item #2 demonstratestemperature measurement of the back side of the human who wears a shirtmade of base nylon/Elastane fabric as in Example E above but without anydeposition of the Formulation of Example A above, thereby demonstratinga “control” fabric or shirt; and Items #3 and #4 demonstrate temperaturemeasurement at two different areas of the back of a human who wears ashirt made of nylon/Elastane fabric as in Example E. With regard to Item#1, Bare Back, the measured temperature was 33.7 degrees Celsius. Withregard to Item #2, Polyamide Untreated, the measured temperature was32.3 degrees Celsius. With regard to Item #3, Polyamide Treated, firstlocation: the measured temperature was 30.8 degrees Celsius. With regardto Item #4, Polyamide Treated, second location: the measured temperaturewas 30.0 degrees Celsius.

Example F

The formulation of Example A is printed or otherwise coated or depositedon a 150 gr/m² polyester/Elastane fabric, for example, by using a screenprinting process. Coverage is 16%. Add-on is 25 gr/m². Fabric is curedat 160 degrees Celsius for 3 minutes.

In a demonstrative experiment, in accordance with Example F, embodimentsof the invention showed effective cooling of a wearer (and/or of agarment worn by a wearer), of approximately 1.0 or 1.5 or 2.0 degreesCelsius, upon initiation of sweating by the wearer (e.g., after 5 to 10minutes of wearing); as measured using infra-red thermo-camera scans.

In another demonstrative experiment, four other items were tested andmeasured, denoted Items #5 to #8. Item #5 and Item #6 measuredtemperature at two different areas of a human back that is clothed witha shirt made of the base polyester/Elastane fabric of Example F, butwithout any deposition of the Formulation of Example A, therebydemonstrating a “control” fabric or shirt. Item #7 and item #8 measuredtemperatures at two different areas of the human back that is clothedwith a shirt formed of the polyester/Elastane fabric of Example F.

With regard to Item #5, Polyester Untreated; the measured temperaturewas 31.9 degrees Celsius. With regard to Item #6, Polyester Untreated;the measured temperature was 31.6 degrees Celsius. With regard to Item#7, Polyester Treated; the measured temperature was 30.5 degreesCelsius. With regard to Item #8, Polyester Treated; the measuredtemperature was 30.2 degrees Celsius.

Example G

A demonstrative implementation, the fabric of Example F was tested usingGuarded Sweating Hot Plate, in accordance with American Society forTesting and Materials—ASTM F1868 Test Method. Following a calibratedmoisture pulse, the total energy absorption/transmission of the treatedfabric was 999 kW*sec/m² over a period of 30 minutes following saidmoisture pulse.

In accordance with some embodiments of the present invention, a fabricor a garment may comprise, in particular areas or regions or patternsthereof, a formulation of materials comprising: Polymer emulsion, in arange of 40% to 60% of the formulation; water, in a range of 0 to 12% ofthe formulation; Glycerin, in a range of 10% to 15% of the formulation;and Potassium Nitrate, in a range of 15% to 20% of the formulation.

In accordance with some embodiments of the present invention, a fabricor a garment may comprise, in particular areas or regions or patternsthereof, a formulation of materials comprising: Polymer emulsion, being60% of the formulation; water, being 5% of the formulation; Glycerin,being 15% of the formulation; and Potassium Nitrate, being 20% of theformulation.

In accordance with some embodiments of the present invention, a fabricor a garment may comprise, in particular areas or regions or patternsthereof, a formulation of materials comprising: Polymer emulsion, being60% of the formulation; no water, or under 1 percent of water; Glycerin,being 13% of the formulation; Potassium Nitrate, being 17% of theformulation; and other auxiliaries.

It is clarified that the terms “auxiliary” or “auxiliaries”, in theformulation(s) of the present invention, may comprise one or morematerials or substances or additives that may be formulated alongside(or, together with) the active ingredient of the formulation, for one ormore purposes or to enable one or more characteristics or features, forexample, long-term stabilization, thickening, emulsification, enhancingsolubility, prevention of aggregation over the expected shelf-life, orthe like. Such auxiliaries in the formulation(s) of the presentinvention may further comprise or may be, for example, one or moresurfactants or compounds that lower the surface tension (or interfacialtension) between two liquids or between a liquid and a solid, or thatassist in dispersion; a thickener to control flow during printing and/ordeposition; and/or an anti-foaming agent to enable rapid mixing withoutgenerating foam or while preventing generation of foam.

In accordance with some embodiments of the present invention, a fabricor a garment may comprise, in particular areas or regions or patternsthereof, a formulation of materials comprising: Polymer emulsion, being55% of the formulation; water, being 5% of the formulation; Glycerin,being 10% of the formulation; Potassium Nitrate, being 20% of theformulation; and other auxiliaries, being 10% of the formulation.

In accordance with some embodiments of the present invention, a fabricor a garment may comprise, in particular areas or regions or patternsthereof, a formulation of materials comprising: Polymer emulsion, beingat least 50% of the formulation; water, being at least 1% of theformulation; Glycerin and Potassium Nitrate, being (together) at least15% and not more than 33 percent of the formulation; and optionally,other auxiliaries. In some embodiments, the Glycerin and PotassiumNitrate (together) are 15 percent of the formulation; or are 18 percentof the formulation; or are 20 percent of the formulation; or are 22percent of the formulation; or are 25 percent of the formulation; or are27 percent of the formulation; or are 30 percent of the formulation; orare 33 percent of the formulation. In some embodiments, the Glycerin andPotassium Nitrate (together) are in the range of 10 to 33 percent of theformulation; or are in the range of 10 to 30 percent of the formulation;or are in the range of 12 to 28 percent of the formulation; or are inthe range of 15 to 26 percent of the formulation; or are in the range of18 to 25 percent of the formulation; or are in the range of 20 to 24percent of the formulation.

It is noted that the various ratios, percentage values, quantities, andmaterials, are not merely random or arbitrary values or ranges; butrather, they reflect particular values or ranges that the Applicantshave experimented with and hand-picked and selected, and/or haverealized that they are beneficial or advantageous to various garments orfabrics.

Reference is made to FIGS. 4A and 4B, which are schematic illustrationsof three diagrams 401-403 which may be used for selective deposition (orselective integration, or selective embedding) of cooling materials onto(or onto) a garment, in accordance with some demonstrative embodimentsof the present invention. Diagram 401 demonstrates the anterior of ahuman; diagram 402 demonstrates the posterior of a human; and diagram403 demonstrates a Swear Rate Chart which may be used for selecting inwhich regions of the garment to deposit the active cooling material(s),and/or to determine in which regions of the garment the depositionshould exist or should not exist or should be intensified or should bediluted, and/or to determine which regions of the garment should haveincreased or crowded depositions (or conversely, no depositions, or fewdepositions per area, or less-crowded or more-scattered depositions).The sweat rate values (or ranges) are shown, for demonstrative purposes,in units of: grams per meter-square of body surface area per hour; or“g/(m² h)”; or “g m⁻² h⁻¹”; however, other suitable units may be used toindicate sweat rate or swear production or sweat accumulation, which inturn may be used for determining garment-regions that should include orexclude active cooling substances, and/or which may be used fordetermining density of intensity of deposition (or integration, orembedding) or active cooling material(s) onto or into garment-regions.

In a demonstrative implementation, for example, upper-back area has thegreatest sweat rate (values of 1197 and 840); the central-back andlower-back areas have an increased sweat rate (values of 1148, 856, and750 or 742); the front-shoulders and back-shoulders area have anincreased sweat rate (values of 656), as so does the neck area (value of622); and the front chest area has sweat rate of 546 and 498; whereasthe arms, hands, legs, hips, and other body parts have other, lesssignificant, sweat areas.

In some embodiments, active cooling material(s) are deposited on, orinto, or are integrated or embedded in, only garment-regions that areindicated with sweat rate(s) of at least 1,000; or only ingarment-regions that are indicated with sweat rate(s) of at least 950;or only in garment-regions that are indicated with sweat rate(s) of atleast 900; or only in garment-regions that are indicated with sweatrate(s) of at least 850; or only in garment-regions that are indicatedwith sweat rate(s) of at least 800; or only in garment-regions that areindicated with sweat rate(s) of at least 750; or only in garment-regionsthat are indicated with sweat rate(s) of at least 700; or only ingarment-regions that are indicated with sweat rate(s) of at least 650;or only in garment-regions that are indicated with sweat rate(s) of atleast 600; or only in garment-regions that are indicated with sweatrate(s) of at least 550; or only in garment-regions that are indicatedwith sweat rate(s) of at least 500; or only in garment-regions that areindicated with sweat rate(s) of at least K, wherein K is a pre-definedpositive number; or only in garment-regions that are indicated withsweat rate(s) that are within a pre-defined range of values (e.g.,between M and N, wherein M and N are two, different, positive numbers).

In some embodiments, active cooling materials are deposited on, orintegrated or embedded in or within, only garment-regions that have asweat rate that is greater than K; whereas other garment-regions lack(or, are devoid of) such active cooling materials.

In some embodiments, active cooling materials are deposited on, orintegrated or embedded in or within, only garment-regions that have asweat rate that is within a pre-defined range of values; whereas othergarment-regions lack (or, are devoid of) such active cooling materials.

In some embodiments, active cooling material(s) are deposited in a firstintensity or density or concentration or quantity or crowdedness-levelor deposited-patterns-per-area in a first garment-region that has afirst sweat rate (K1); and, active cooling material(s) are deposited ina second, lower, intensity or density or quantity or concentration orcrowdedness-level or deposited-patterns-per-area in a secondgarment-region that has a second sweat rate (K2) that is smaller thanthe first sweat rate (K1).

In some embodiments, the greater the sweat rate value, the higher theintensity or density or quantity or concentration or crowdedness-levelor deposited-patterns-per-area of the active cooling material(s) in thecorresponding garment region; and, the smaller the sweat rate value, thesmaller the intensity or density or quantity or concentration orcrowdedness-level or deposited-patterns-per-area of the active coolingmaterial(s) in the corresponding garment region.

In some embodiments, for example, active cooling material(s) aredeposited or integrated into the upper-back region of a garment, at afirst, greater, intensity or density or quantity or concentration orcrowdedness-level or deposited-patterns-per-area denoted N2; whereasactive cooling material(s) are deposited or integrated into the armsregions of the garment, at a second, lower, intensity or density orquantity or concentration or crowdedness-level ordeposited-patterns-per-area denoted N1; such that N2 is greater than N1.

In some embodiments, for example, active cooling material(s) aredeposited or integrated into the upper-back region of a garment, at afirst, greater, intensity or density or quantity or concentration orcrowdedness-level or deposited-patterns-per-area denoted N2; whereasactive cooling material(s) are deposited or integrated into the frontchest region of the garment, at a second, lower, intensity or density orquantity or concentration or crowdedness-level ordeposited-patterns-per-area denoted N1; such that N2 is greater than N1.

In some embodiments, for example, active cooling material(s) aredeposited or integrated into the upper-back region of a garment, at afirst, greater, intensity or density or quantity or concentration orcrowdedness-level or deposited-patterns-per-area denoted N2; whereasactive cooling material(s) are deposited or integrated into theshoulders regions of the garment, at a second, lower, intensity ordensity or quantity or concentration or crowdedness-level ordeposited-patterns-per-area denoted N1; such that N2 is greater than N1.

In some embodiments, for example, active cooling material(s) aredeposited or integrated into the upper-back region of a garment, at afirst, greater, intensity or density or quantity or concentration orcrowdedness-level or deposited-patterns-per-area denoted N2; whereasactive cooling material(s) are deposited or integrated into the armpitsregions of the garment, at a second, lower, intensity or density ordensity or quantity or concentration or crowdedness-level ordeposited-patterns-per-area denoted N1; such that N2 is greater than N1.

In some embodiments, for example, active cooling material(s) aredeposited or integrated into both the upper-back and lower-back regionsof a garment, at a first, greater, intensity or density or quantity orconcentration or crowdedness-level or deposited-patterns-per-areadenoted N2; whereas active cooling material(s) are deposited orintegrated into the shoulders regions (and/or the front chest region,and/or the arms regions) of the garment, at a second, lower, intensityor density or density or quantity or concentration or crowdedness-levelor deposited-patterns-per-area denoted N1; such that N2 is greater thanN1.

In some embodiments, for example, active cooling material(s) aredeposited or integrated into the shoulders regions of a garment, at afirst, greater, intensity or density or quantity or concentration orcrowdedness-level or deposited-patterns-per-area denoted N2; whereasactive cooling material(s) are deposited or integrated into the armsregions of the garment, at a second, lower, intensity or density orquantity or concentration or crowdedness-level ordeposited-patterns-per-area denoted N1; such that N2 is greater than N1.

In some embodiments, for example, active cooling material(s) aredeposited or integrated into the hip regions of a garment, at a first,greater, intensity or density or quantity or concentration orcrowdedness-level or deposited-patterns-per-area denoted N2; whereasactive cooling material(s) are deposited or integrated into the thighregions of the garment, at a second, lower, intensity or density orquantity or concentration or crowdedness-level ordeposited-patterns-per-area denoted N1; such that N2 is greater than N1.

In some embodiments, for example, active cooling material(s) aredeposited or integrated into the hip regions of a garment, at a first,greater, intensity or density or quantity or concentration orcrowdedness-level or deposited-patterns-per-area denoted N2; whereasactive cooling material(s) are deposited or integrated into the legregions of the garment, at a second, lower, intensity or density orquantity or concentration or crowdedness-level ordeposited-patterns-per-area denoted N1; such that N2 is greater than N1.

In some embodiments, for example, active cooling material(s) aredeposited or integrated into the thigh regions of a garment, at a first,greater, intensity or density or quantity or concentration orcrowdedness-level or deposited-patterns-per-area denoted N2; whereasactive cooling material(s) are deposited or integrated into the legregions of the garment, at a second, lower, intensity or density orquantity or concentration or crowdedness-level ordeposited-patterns-per-area denoted N1; such that N2 is greater than N1.

In some embodiments, for example, active cooling material(s) aredeposited or integrated into the inner-thigh regions of a garment (e.g.,the garment regions that cover the inner side of the thighs, which facetowards each other), at a first, greater, intensity or density orquantity or concentration or crowdedness-level ordeposited-patterns-per-area denoted N2; whereas active coolingmaterial(s) are deposited or integrated into the outer-thigh regions ofthe garment (e.g., the garment that cover the outer portions of thethighs, which face externally from the body and externally from eachother), at a second, lower, intensity or density or quantity orconcentration or crowdedness-level or deposited-patterns-per-areadenoted N1; such that N2 is greater than N1.

The present invention may comprise a fabric or a garment. The fabric orgarment may be coated with a composite or solution or mixture of coolingmaterials. Additionally or alternatively, a fabric or garment may haveprinted thereon, a composite or solution or mixture of coolingmaterials. Additionally or alternatively, a fabric or garment mayintegrally comprise therein, a composite or solution or mixture ofcooling materials.

Some embodiments comprise a garment having at least a first region and asecond region; wherein the first region of the garment comprises a firsttype of composite described herein, and wherein the second region of thegarment has a second (different) type of composite described herein.

Some embodiments comprise a garment having at least a first region and asecond region; wherein the first region of the garment comprises aparticular type of composite having a particular set of componentsdescribed herein; wherein the second region of the garment has the samefirst type of composite but at different quantities (or different ratiosor proportions) of the particular set of components.

Some embodiments comprise a garment having a continuous array of coolingelements, that are printed-on or coated-on or brushed-on or deposited-onor integrated-into a fabric.

Some embodiments comprise a garment having a dis-continuous array ofcooling elements, that are printed-on or coated-on or brushed-on ordeposited-on or integrated-into a fabric.

Some embodiments may comprise a system and a method for producing suchfabric or garment.

Some embodiments of the present invention may comprise, or may utilize,an automated or semi-automated or partially-automated process or system,or a machine-implemented process or system, or a computerized process orsystem, in order to produce the shirt or garment described herein and/orany particular component(s) or region(s) of such shirts or garments.Such system or process may utilize for example, a programmable knittingmachine, a computerized knitting machine, a computer, a processor, acontroller, an Integrated Circuit (IC), logic units, memory units,storage units, input units (e.g., keyboard, touch-screen, mouse,touch-pen, stylus), output units (e.g., monitor, screen, touch-screen),a power source, wired communication links, wireless communication links,an Operating System (OS), drivers, applications, as well as othersuitable hardware components and/or software modules; which may begeneral-purpose components, or may be specific components that may beparticularly tailored to achieve the particular goals or to perform theparticular operations described herein. In some embodiments, the systemor method may utilize a non-generic computer or a non-general-purposecomputer, or may use a dedicated non-computer device (e.g., a dedicatedprogrammable knitting machine or knitting system). The system maycomprise, for example, a mixing module or unit, a printing unit ormodule, a coating module or unit, a brushing module or unit, a sprayingmodule or unit, one or more containers for materials and substances, oneor more selectors or feting units able to select and/or measure and/orprepare materials at desired quantity, or the like.

Some or all of the operations of such method(s) may be performedautomatically or partially-automatically or semi-automatically, by asuitable machine or production line or manufacturing line; which maycomprise, for example, robotic arms, automated knitting machine orsewing machine, machine-controllable clothes-making machine or device,conveyor belt(s), and/or other modules or units. Optionally, acomputerized platform or a computer may be used, to control and/ormanage the production of one or more components or of the entire productor a portion thereof. In some implementations, such computer orcomputing device may comprise, for example, a processor, a logiccircuit, an integrated circuit, an input unit (keyboard, mouse, stylus),an output unit (e.g., screen or monitor), memory unit, storage unit,wireless communication modules, wired communication modules, powersource, operating system, drivers, applications, and/or other suitablehardware components and/or software modules.

The present invention includes a garment comprising: a firstgarment-region made of a fabric that comprises an active-coolingsubstance; a second, different, garment region that lacks anyactive-cooling substance.

In some embodiments, the first garment-region comprises a coating layerof said active-cooling substance.

In some embodiments, the first garment-region comprises a patterneddeposition layer of said active-cooling substance.

In some embodiments, the first garment-region comprises saidactive-cooling substance that is integrated within said fabric of thefirst garment-region.

In some embodiments, the first garment-region comprises saidactive-cooling substance that is located at least at an inner side ofthe first garment-region that touches a human wearer.

In some embodiments, the first garment-region comprises saidactive-cooling substance that is located exclusively at an inner side ofthe first garment-region that touches a human wearer, and is not locatedon an external side of the first garment-region that does not touch thehuman wearer.

In some embodiments, the first garment-region comprises a coating layerof said active-cooling substance which comprises Potassium Nitrate.

In some embodiments, the first garment-region comprises a patterneddeposition layer of said active-cooling substance which comprisesPotassium Nitrate.

In some embodiments, the first garment-region comprises saidactive-cooling substance that is integrated within said fabric of thefirst garment-region, wherein said active-cooling substance comprisesPotassium Nitrate.

In some embodiments, the first garment-region comprises a coating layerof said active-cooling substance which comprises a formulation, whereinPotassium Nitrate is 15 to 20 percent of said formulation by weight.

In some embodiments, the first garment-region comprises a coating layerof said active-cooling substance which comprises a formulation, whereinPotassium Nitrate is 15 to 20 percent of said formulation by volume.

In some embodiments, the first garment-region comprises a patterneddeposition layer of said active-cooling substance which comprises aformulation, wherein Potassium Nitrate is 15 to 20 percent of saidformulation by weight.

In some embodiments, the first garment-region comprises a patterneddeposition layer of said active-cooling substance which comprises aformulation, wherein Potassium Nitrate is 15 to 20 percent of saidformulation by volume.

In some embodiments, the first garment-region comprises saidactive-cooling substance that is integrated within said fabric of thefirst garment-region, wherein said active-cooling substance comprises aformulation, wherein Potassium Nitrate is 15 to 20 percent of saidformulation by weight.

In some embodiments, the first garment-region comprises saidactive-cooling substance that is integrated within said fabric of thefirst garment-region, wherein said active-cooling substance comprises aformulation, wherein Potassium Nitrate is 15 to 20 percent of saidformulation by volume.

In some embodiments, the first garment-region comprises saidactive-cooling substance which is a formulation comprising: polymeremulsion, being 40 to 60 percent of said formulation; water, being 0 to12 percent of said formulation; glycerin, being 10 to 15 percent of saidformulation; Potassium Nitrate, being 15 to 20 percent of saidformulation; one or more other materials, being the remainder percentageof said formulation.

In some embodiments, the first garment-region comprises saidactive-cooling substance which is a formulation comprising: polymeremulsion, being 60 percent of said formulation; water, being less than 1percent of said formulation; glycerin, being 13 percent of saidformulation; Potassium Nitrate, being 17 percent of said formulation;one or more other materials, being the remainder percentage of saidformulation.

In some embodiments, the first garment-region comprises saidactive-cooling substance which is a formulation comprising: polymeremulsion, being 55 percent of said formulation; water, being 5 percentof said formulation; glycerin, being 10 percent of said formulation;Potassium Nitrate, being 20 percent of said formulation; one or moreother materials, being the remainder percentage of said formulation.

In some embodiments, the first garment-region comprises a firstparticular active-cooling substance; wherein a third garment-region ofsaid garment, comprises a second, different, particular active-coolingsubstance.

In some embodiments, the first garment-region comprises a firstparticular active-cooling substance which comprise a first particularpercentage of Potassium Nitrate; wherein a third garment-region of saidgarment, comprises a second, different, particular active-coolingsubstance which comprises a second, different, percentage of PotassiumNitrate.

In some embodiments, the first garment-region comprises a first mixtureof two-or-more active-cooling materials that are mixed at a first ratio;wherein a third garment-region of said garment, comprises a second,different, mixture of same said two-or-more active-cooling materialsthat are mixed at a second, different, ratio.

In some embodiments, the first garment-region comprises a first mixtureof two-or-more active-cooling materials; wherein a third garment-regionof said garment, comprises a second, different, mixture of two-or-moreactive-cooling materials; wherein at least one material is part of thefirst mixture and is not part of the second mixture.

In some embodiments, the first garment-region comprises a continuouspattern of cooling elements that are formed of said active-coolingsubstance, and that are printed-on or coated-on or brushed-on ordeposited-on said fabric.

In some embodiments, the first garment-region comprises a set ofdiscrete cooling elements that are formed of said active-coolingsubstance, and that are printed-on or coated-on or brushed-on ordeposited-on said fabric.

In some embodiments, the garment is a shirt; wherein the firstgarment-region which comprises the active-cooling substance is agarment-region selected from the group consisting of: sleeve region,armpit region, chest region, back region.

In some embodiments, the first garment-region comprises saidactive-cooling substance at a first density ofmaterial-deposited-per-area; wherein the garment comprises a thirdgarment-region which comprises said active-cooling substance at asecond, lower, density of material-deposited-per-area.

In some embodiments, the first garment-region is an upper-back regionand comprises said active-cooling substance at a first density ofmaterial-deposited-per-area; wherein the garment comprises a thirdgarment-region which is a lower-back region which comprises saidactive-cooling substance at a second, lower, density ofmaterial-deposited-per-area.

In some embodiments, the first garment-region is an upper-back regionand comprises said active-cooling substance at a first density ofmaterial-deposited-per-area; wherein the garment comprises a thirdgarment-region which is a chest region which comprises saidactive-cooling substance at a second, lower, density ofmaterial-deposited-per-area.

In some embodiments, the first garment-region is an upper-back regionand comprises said active-cooling substance at a first density ofmaterial-deposited-per-area; wherein the garment comprises a thirdgarment-region which is a shoulder-covering region which comprises saidactive-cooling substance at a second, lower, density ofmaterial-deposited-per-area.

In some embodiments, the first garment-region is an upper-back regionand comprises said active-cooling substance at a first density ofmaterial-deposited-per-area; wherein the garment comprises a thirdgarment-region which is an armpit-covering region which comprises saidactive-cooling substance at a second, lower, density ofmaterial-deposited-per-area.

In some embodiments, the first garment-region is an upper-back regionand comprises said active-cooling substance at a first density ofmaterial-deposited-per-area; wherein the garment comprises a thirdgarment-region which is a sleeve region which comprises saidactive-cooling substance at a second, lower, density ofmaterial-deposited-per-area.

In some embodiments, the first garment-region is a chest region andcomprises said active-cooling substance at a first density ofmaterial-deposited-per-area; wherein the garment comprises a thirdgarment-region is a shoulder-covering region which comprises saidactive-cooling substance at a second, lower, density ofmaterial-deposited-per-area.

In some embodiments, the first garment-region is a chest region andcomprises said active-cooling substance at a first density ofmaterial-deposited-per-area; wherein the garment comprises a thirdgarment-region is an armpit-covering region which comprises saidactive-cooling substance at a second, lower, density ofmaterial-deposited-per-area.

In some embodiments, the first garment-region is a chest region andcomprises said active-cooling substance at a first density ofmaterial-deposited-per-area; wherein the garment comprises a thirdgarment-region is a stomach-covering region which comprises saidactive-cooling substance at a second, lower, density ofmaterial-deposited-per-area.

In some embodiments, the first garment-region is a hip region andcomprises said active-cooling substance at a first density ofmaterial-deposited-per-area; wherein the garment comprises a thirdgarment-region is a thigh region which comprises said active-coolingsubstance at a second, lower, density of material-deposited-per-area.

In some embodiments, the first garment-region is a hip region andcomprises said active-cooling substance at a first density ofmaterial-deposited-per-area; wherein the garment comprises a thirdgarment-region is a leg region which comprises said active-coolingsubstance at a second, lower, density of material-deposited-per-area.

In some embodiments, the first garment-region is a thigh region andcomprises said active-cooling substance at a first density ofmaterial-deposited-per-area; wherein the garment comprises a thirdgarment-region is a leg region which comprises said active-coolingsubstance at a second, lower, density of material-deposited-per-area.

In some embodiments, wherein the first garment-region is an outer-thighregion and comprises said active-cooling substance at a first density ofmaterial-deposited-per-area; wherein the garment comprises a thirdgarment-region is an inner-thigh region which comprises saidactive-cooling substance at a second, lower, density ofmaterial-deposited-per-area.

In some embodiments, the first garment-region is an inner-hip region andcomprises said active-cooling substance at a first density ofmaterial-deposited-per-area; wherein the garment comprises a thirdgarment-region is an outer-hip region which comprises saidactive-cooling substance at a second, lower, density ofmaterial-deposited-per-area.

In some embodiments, the first garment-region comprises saidactive-cooling substance that is integrated therein as multiple, filled,non-hollow patterned items that provide a first level of active cooling;wherein the garment comprises a third garment-region which comprisessaid active-cooling substance that is integrated therein as multiple,non-filled, hollow patterned items that provide a second level of activecooling that is smaller than said first level of active cooling.

In some embodiments, an entirety of said garment comprises saidactive-cooling substance that is integrated therein only as multiple,filled, non-hollow patterned items, and lacks any hollow, non-filled,patterned items of said active-cooling substance.

In some embodiments, a method comprises: producing a fabric whichcomprises at least one region that contains an active-cooling substance.

In some embodiments, the producing comprises: depositing a pattern ofsaid active-cooling substance onto said fabric.

In some embodiments, the producing comprises: spraying saidactive-cooling substance onto said fabric.

In some embodiments, the producing comprises: brushing saidactive-cooling substance onto said fabric.

In some embodiments, the producing comprises: soaking said fabric in aformulation that comprises said active-cooling substance.

In some embodiments, the producing comprises: depositing a pattern ofsaid active-cooling substance onto said fabric, wherein 15 to 20 percentof said active-cooling substance is Potassium Nitrate.

In some embodiments, the producing comprises: spraying saidactive-cooling substance onto said fabric, wherein 15 to 20 percent ofsaid active-cooling substance is Potassium Nitrate.

In some embodiments, the producing comprises: brushing saidactive-cooling substance onto said fabric, wherein 15 to 20 percent ofsaid active-cooling substance is Potassium Nitrate.

In some embodiments, the producing comprises: soaking said fabric in aformulation that comprises said active-cooling substance, wherein 15 to20 percent of said formulation is Potassium Nitrate.

The present invention includes fabric for articles of clothing, as wellas garments made of such fabric, and method and system for manufacturingsuch fabric and garments. For example, a fabric or garment includesactive-cooling materials or substances or elements, or a formulation orcomposition that includes one or more active-cooling materials ormixture thereof. For example, a garment comprises a first garment-regionthat contains active-cooling substance, and a second garment-region thatdoes not contain any active-cooling substances. One suitableactive-cooling substance can be a mixture of polymer emulsion, water,glycerin, and Potassium Nitrate. The active-cooling substance can bedeposited on the fabric, or printed on the fabric, or sprayed or brushedon the fabric, or soaked into the fabric, or otherwise integrated intothe fabric.

Functions, operations, components and/or features described herein withreference to one or more embodiments, may be combined with, or may beutilized in combination with, one or more other functions, operations,components and/or features described herein with reference to one ormore other embodiments, or vice versa.

While certain features of some embodiments have been illustrated anddescribed herein, many modifications, substitutions, changes, andequivalents may occur to those skilled in the art. Accordingly, theclaims are intended to cover all such modifications, substitutions,changes, and equivalents.

1. A garment comprising: a first garment-region made of a fabric thatcomprises an active-cooling substance; a second, different, garmentregion that lacks any active-cooling substance.
 2. The garment of claim1, wherein the first garment-region comprises a coating layer of saidactive-cooling substance.
 3. The garment of claim 1, wherein the firstgarment-region comprises a patterned deposition layer of saidactive-cooling substance.
 4. The garment of claim 1, wherein the firstgarment-region comprises said active-cooling substance that isintegrated within said fabric of the first garment-region.
 5. Thegarment of claim 1, wherein the first garment-region comprises saidactive-cooling substance that is located at least at an inner side ofthe first garment-region that touches a human wearer.
 6. The garment ofclaim 1, wherein the first garment-region comprises said active-coolingsubstance that is located exclusively at an inner side of the firstgarment-region that touches a human wearer, and is not located on anexternal side of the first garment-region that does not touch the humanwearer.
 7. The garment of claim 1, wherein the first garment-regioncomprises a coating layer of said active-cooling substance whichcomprises Potassium Nitrate.
 8. The garment of claim 1, wherein thefirst garment-region comprises a patterned deposition layer of saidactive-cooling substance which comprises Potassium Nitrate.
 9. Thegarment of claim 1, wherein the first garment-region comprises saidactive-cooling substance that is integrated within said fabric of thefirst garment-region, wherein said active-cooling substance comprisesPotassium Nitrate.
 10. The garment of claim 1, wherein the firstgarment-region comprises a coating layer of said active-coolingsubstance which comprises a formulation, wherein Potassium Nitrate is 15to 20 percent of said formulation by weight.
 11. The garment of claim 1,wherein the first garment-region comprises a coating layer of saidactive-cooling substance which comprises a formulation, whereinPotassium Nitrate is 15 to 20 percent of said formulation by volume. 12.The garment of claim 1, wherein the first garment-region comprises apatterned deposition layer of said active-cooling substance whichcomprises a formulation, wherein Potassium Nitrate is 15 to 20 percentof said formulation by weight.
 13. The garment of claim 1, wherein thefirst garment-region comprises a patterned deposition layer of saidactive-cooling substance which comprises a formulation, whereinPotassium Nitrate is 15 to 20 percent of said formulation by volume. 14.The garment of claim 1, wherein the first garment-region comprises saidactive-cooling substance that is integrated within said fabric of thefirst garment-region, wherein said active-cooling substance comprises aformulation, wherein Potassium Nitrate is 15 to 20 percent of saidformulation by weight.
 15. The garment of claim 1, wherein the firstgarment-region comprises said active-cooling substance that isintegrated within said fabric of the first garment-region, wherein saidactive-cooling substance comprises a formulation, wherein PotassiumNitrate is 15 to 20 percent of said formulation by volume.
 16. Thegarment of claim 1, wherein the first garment-region comprises saidactive-cooling substance which is a formulation comprising: polymeremulsion, being 40 to 60 percent of said formulation; water, being 0 to12 percent of said formulation; glycerin, being 10 to 15 percent of saidformulation; Potassium Nitrate, being 15 to 20 percent of saidformulation; one or more other materials, being the remainder percentageof said formulation.
 17. The garment of claim 1, wherein the firstgarment-region comprises said active-cooling substance which is aformulation comprising: polymer emulsion, being 60 percent of saidformulation; water, being less than 1 percent of said formulation;glycerin, being 13 percent of said formulation; Potassium Nitrate, being17 percent of said formulation; one or more other materials, being theremainder percentage of said formulation.
 18. The garment of claim 1,wherein the first garment-region comprises said active-cooling substancewhich is a formulation comprising: polymer emulsion, being 55 percent ofsaid formulation; water, being 5 percent of said formulation; glycerin,being 10 percent of said formulation; Potassium Nitrate, being 20percent of said formulation; one or more other materials, being theremainder percentage of said formulation.
 19. The garment of claim 1,wherein the first garment-region comprises a first particularactive-cooling substance; wherein a third garment-region of saidgarment, comprises a second, different, particular active-coolingsubstance.
 20. The garment of claim 1, wherein the first garment-regioncomprises a first particular active-cooling substance which comprise afirst particular percentage of Potassium Nitrate; wherein a thirdgarment-region of said garment, comprises a second, different,particular active-cooling substance which comprises a second, different,percentage of Potassium Nitrate.
 21. The garment of claim 1, wherein thefirst garment-region comprises a first mixture of two-or-moreactive-cooling materials that are mixed at a first ratio; wherein athird garment-region of said garment, comprises a second, different,mixture of same said two-or-more active-cooling materials that are mixedat a second, different, ratio.
 22. The garment of claim 1, wherein thefirst garment-region comprises a first mixture of two-or-moreactive-cooling materials; wherein a third garment-region of saidgarment, comprises a second, different, mixture of two-or-moreactive-cooling materials; wherein at least one material is part of thefirst mixture and is not part of the second mixture.
 23. The garment ofclaim 1, wherein the first garment-region comprises a continuous patternof cooling elements that are formed of said active-cooling substance,and that are printed-on or coated-on or brushed-on or deposited-on saidfabric.
 24. The garment of claim 1, wherein the first garment-regioncomprises a set of discrete cooling elements that are formed of saidactive-cooling substance, and that are printed-on or coated-on orbrushed-on or deposited-on said fabric.
 25. The garment of claim 1,wherein the garment is a shirt; wherein the first garment-region whichcomprises the active-cooling substance is a garment-region selected fromthe group consisting of: sleeve region, armpit region, chest region,back region.
 26. The garment of claim 1, wherein the firstgarment-region comprises said active-cooling substance at a firstdensity of material-deposited-per-area; wherein the garment comprises athird garment-region which comprises said active-cooling substance at asecond, lower, density of material-deposited-per-area.
 27. The garmentof claim 1, wherein the first garment-region is an upper-back region andcomprises said active-cooling substance at a first density ofmaterial-deposited-per-area; wherein the garment comprises a thirdgarment-region which is a lower-back region which comprises saidactive-cooling substance at a second, lower, density ofmaterial-deposited-per-area.
 28. The garment of claim 1, wherein thefirst garment-region is an upper-back region and comprises saidactive-cooling substance at a first density ofmaterial-deposited-per-area; wherein the garment comprises a thirdgarment-region which is a chest region which comprises saidactive-cooling substance at a second, lower, density ofmaterial-deposited-per-area.
 29. The garment of claim 1, wherein thefirst garment-region is an upper-back region and comprises saidactive-cooling substance at a first density ofmaterial-deposited-per-area; wherein the garment comprises a thirdgarment-region which is a shoulder-covering region which comprises saidactive-cooling substance at a second, lower, density ofmaterial-deposited-per-area.
 30. The garment of claim 1, wherein thefirst garment-region is an upper-back region and comprises saidactive-cooling substance at a first density ofmaterial-deposited-per-area; wherein the garment comprises a thirdgarment-region which is an armpit-covering region which comprises saidactive-cooling substance at a second, lower, density ofmaterial-deposited-per-area.
 31. The garment of claim 1, wherein thefirst garment-region is an upper-back region and comprises saidactive-cooling substance at a first density ofmaterial-deposited-per-area; wherein the garment comprises a thirdgarment-region which is a sleeve region which comprises saidactive-cooling substance at a second, lower, density ofmaterial-deposited-per-area.
 32. The garment of claim 1, wherein thefirst garment-region is a chest region and comprises said active-coolingsubstance at a first density of material-deposited-per-area; wherein thegarment comprises a third garment-region is a shoulder-covering regionwhich comprises said active-cooling substance at a second, lower,density of material-deposited-per-area.
 33. The garment of claim 1,wherein the first garment-region is a chest region and comprises saidactive-cooling substance at a first density ofmaterial-deposited-per-area; wherein the garment comprises a thirdgarment-region is an armpit-covering region which comprises saidactive-cooling substance at a second, lower, density ofmaterial-deposited-per-area.
 34. The garment of claim 1, wherein thefirst garment-region is a chest region and comprises said active-coolingsubstance at a first density of material-deposited-per-area; wherein thegarment comprises a third garment-region is a stomach-covering regionwhich comprises said active-cooling substance at a second, lower,density of material-deposited-per-area.
 35. The garment of claim 1,wherein the first garment-region is a hip region and comprises saidactive-cooling substance at a first density ofmaterial-deposited-per-area; wherein the garment comprises a thirdgarment-region is a thigh region which comprises said active-coolingsubstance at a second, lower, density of material-deposited-per-area.36. The garment of claim 1, wherein the first garment-region is a hipregion and comprises said active-cooling substance at a first density ofmaterial-deposited-per-area; wherein the garment comprises a thirdgarment-region is a leg region which comprises said active-coolingsubstance at a second, lower, density of material-deposited-per-area.37. The garment of claim 1, wherein the first garment-region is a thighregion and comprises said active-cooling substance at a first density ofmaterial-deposited-per-area; wherein the garment comprises a thirdgarment-region is a leg region which comprises said active-coolingsubstance at a second, lower, density of material-deposited-per-area.38. The garment of claim 1, wherein the first garment-region is anouter-thigh region and comprises said active-cooling substance at afirst density of material-deposited-per-area; wherein the garmentcomprises a third garment-region is an inner-thigh region whichcomprises said active-cooling substance at a second, lower, density ofmaterial-deposited-per-area.
 39. The garment of claim 1, wherein thefirst garment-region is an inner-hip region and comprises saidactive-cooling substance at a first density ofmaterial-deposited-per-area; wherein the garment comprises a thirdgarment-region is an outer-hip region which comprises saidactive-cooling substance at a second, lower, density ofmaterial-deposited-per-area.
 40. The garment of claim 1, wherein thefirst garment-region comprises said active-cooling substance that isintegrated therein as multiple, filled, non-hollow patterned items thatprovide a first level of active cooling; wherein the garment comprises athird garment-region which comprises said active-cooling substance thatis integrated therein as multiple, non-filled, hollow patterned itemsthat provide a second level of active cooling that is smaller than saidfirst level of active cooling.
 41. The garment of claim 1, wherein anentirety of said garment comprises said active-cooling substance that isintegrated therein only as multiple, filled, non-hollow patterned items,and lacks any hollow, non-filled, patterned items of said active-coolingsubstance. 42-50. (canceled)